:root{--bg-color: #1a1a1e;--glass-bg: rgba(40, 40, 44, .75);--glass-border: rgba(255, 255, 255, .08);--text-color: #f0f0f2;--accent-color: #4da3ff;--muted: #8e8e93;--btn-bg: rgba(255, 255, 255, .08);--btn-border: rgba(255, 255, 255, .06);--subtle-bg: rgba(255, 255, 255, .04);--subtle-border: rgba(255, 255, 255, .06);--dashed-border: rgba(255, 255, 255, .12);--divider: rgba(255, 255, 255, .08)}*{margin:0;padding:0;box-sizing:border-box}body{margin:0;overflow:hidden;background:radial-gradient(circle at center,#232326 0%,var(--bg-color) 100%);font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--text-color);-webkit-font-smoothing:antialiased}.tab-bar{position:absolute;top:0;left:0;right:0;z-index:20;display:flex;gap:4px;padding:12px 24px;background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--glass-border)}.tab-bar a{text-decoration:none;font-size:13px;font-weight:500;padding:8px 18px;border-radius:10px;color:var(--muted);transition:all .3s cubic-bezier(.16,1,.3,1)}.tab-bar a:hover{color:var(--text-color);background:#ffffff0d}.tab-bar a.active{background:#0071e31a;color:var(--accent-color);font-weight:600}.btn{background:var(--btn-bg);border:1px solid var(--btn-border);border-radius:12px;padding:10px 16px;font-size:13px;font-weight:500;color:var(--text-color);cursor:pointer;transition:all .3s cubic-bezier(.16,1,.3,1);display:flex;align-items:center;justify-content:center;gap:8px;outline:none}.btn:hover:not(:disabled){background:var(--glass-bg);transform:translateY(-1px);box-shadow:0 4px 12px #0000001a;color:var(--accent-color)}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn svg{width:16px;height:16px;opacity:.7;transition:opacity .3s ease}.btn:hover:not(:disabled) svg{opacity:1}.toast{position:fixed;bottom:32px;left:50%;transform:translate(-50%) translateY(100px);background:#28282ce6;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);color:var(--text-color);padding:12px 24px;border-radius:100px;font-size:14px;font-weight:500;box-shadow:0 10px 30px #0003;border:1px solid var(--glass-border);transition:transform .4s cubic-bezier(.16,1,.3,1);z-index:100;pointer-events:none}.toast.show{transform:translate(-50%) translateY(0)}